Designed for performance and value, the Sonic 540-FT Fixed-Timing is the perfect motor for racers, clubs, and racing series that want to equalize performance among participants at an economical price.- CNC machined lightweight can- Solder tabs- Dual precision ball bearings- High-strength, balanced rotor- Fixed timing of 45 degrees- Completely rebuildable- Cells:1-2S LiPo- Diameter (mm):35.8- Length (mm):51.8- Shaft Dia. (mm):3.15- Weight (g):175